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Kiyong SONG
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Seoul, KR
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last 30 patents
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Patent Grant
Screw anchor pile for earth reinforcement and manufacturing method...
Patent number
9,631,336
Issue date
Apr 25, 2017
EXT CO., LTD.
Kiyong Song
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents
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Patent Application
SCREW ANCHOR PILE FOR EARTH REINFORCEMENT AND MANUFACTURING METHOD...
Publication number
20150345098
Publication date
Dec 3, 2015
EXT CO., LTD.
Kiyong SONG
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR